2740221

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{311}}^1$

素因数の和:417

約数の個数: 24

約数和(自身を含む): 4380480

約数和(自身を除く): 1640259

約数列:

[1, 3, 9, 11, 33, 89, 99, 267, 311, 801, 933, 979, 2799, 2937, 3421, 8811, 10263, 27679, 30789, 83037, 249111, 304469, 913407, 2740221]

約数ペア:

[(1, 2740221), (3, 913407), (9, 304469), (11, 249111), (33, 83037), (89, 30789), (99, 27679), (267, 10263), (311, 8811), (801, 3421), (933, 2937), (979, 2799)]